Acid red 52 ~75% (dye content), powder, BioReagent fluorescent dye, cell culture tested, Sigma-Aldrich®

Supplier: Merck
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Synonyms: Food Red No.106, Sodium 4-(3,6-bis(diethylamino)xanthylium-9-yl)benzene-1,3-disulphonate, Kiton Red S, Sulphorhodamine B sodium salt, Lissamine rhodamine B-200

M-Clarity™ quality level = MQ100

S1402-25G S1402-5G S1402-1G
SIALS1402-25GEA 593 GBP
SIALS1402-25G SIALS1402-5G SIALS1402-1G
Acid red 52 ~75% (dye content), powder, BioReagent fluorescent dye, cell culture tested, Sigma-Aldrich®
Acid red 52

Sulforhodamine B sodium salt used as a fluorescent dye to quantify cellular proteins in cultured cells.


  • fluorescence - λex 565 nm; λem 586 nm in H2O

Formula: C₂₇H₃₀N₂O₇S₂
MW: 580.65 g/mol
MDL Number: MFCD00010180
CAS Number: 3520-42-1

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